Configuring Vlan Trunks; Trunking Overview - Cisco 3020 - Catalyst Blade Switch Configuration Manual

Configuring VLAN Trunks

Table 10-3
Command
show interfaces [vlan
vlan-id]
show vlan [id vlan-id]
For more details about the show command options and explanations of output fields, see the command
reference for this release.
Configuring VLAN Trunks
These sections contain this conceptual information:
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Trunking Overview

A trunk is a point-to-point link between one or more Ethernet switch interfaces and another networking device
such as a router or a switch. Ethernet trunks carry the traffic of multiple VLANs over a single link, and you
can extend the VLANs across an entire network.
Two trunking encapsulations are available on all Ethernet interfaces:
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Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
10-14
VLAN Monitoring Commands (continued)
Command Mode
Privileged EXEC
Privileged EXEC
Trunking Overview, page 10-14
Encapsulation Types, page 10-16
Default Layer 2 Ethernet Interface VLAN Configuration, page 10-17
Configuring an Ethernet Interface as a Trunk Port, page 10-17
Configuring Trunk Ports for Load Sharing, page 10-21
Inter-Switch Link (ISL)—Cisco-proprietary trunking encapsulation.
IEEE 802.1Q— industry-standard trunking encapsulation.
Chapter 10
Purpose
Display characteristics for all interfaces or for
the specified VLAN configured on the switch.
Display parameters for all VLANs or the
specified VLAN on the switch.
Configuring VLANs
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